19899840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1130

約数の個数: 112

約数和(自身を含む): 66568320

約数和(自身を除く): 46668480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1091, 1140, 1216, 1520, 1824, 2182, 2280, 3040, 3273, 3648, 4364, 4560, 5455, 6080, 6546, 8728, 9120, 10910, 13092, 16365, 17456, 18240, 20729, 21820, 26184, 32730, 34912, 41458, 43640, 52368, 62187, 65460, 69824, 82916, 87280, 103645, 104736, 124374, 130920, 165832, 174560, 207290, 209472, 248748, 261840, 310935, 331664, 349120, 414580, 497496, 523680, 621870, 663328, 829160, 994992, 1047360, 1243740, 1326656, 1658320, 1989984, 2487480, 3316640, 3979968, 4974960, 6633280, 9949920, 19899840]

約数ペア:

[(1, 19899840), (2, 9949920), (3, 6633280), (4, 4974960), (5, 3979968), (6, 3316640), (8, 2487480), (10, 1989984), (12, 1658320), (15, 1326656), (16, 1243740), (19, 1047360), (20, 994992), (24, 829160), (30, 663328), (32, 621870), (38, 523680), (40, 497496), (48, 414580), (57, 349120), (60, 331664), (64, 310935), (76, 261840), (80, 248748), (95, 209472), (96, 207290), (114, 174560), (120, 165832), (152, 130920), (160, 124374), (190, 104736), (192, 103645), (228, 87280), (240, 82916), (285, 69824), (304, 65460), (320, 62187), (380, 52368), (456, 43640), (480, 41458), (570, 34912), (608, 32730), (760, 26184), (912, 21820), (960, 20729), (1091, 18240), (1140, 17456), (1216, 16365), (1520, 13092), (1824, 10910), (2182, 9120), (2280, 8728), (3040, 6546), (3273, 6080), (3648, 5455), (4364, 4560)]